A rectangular picture frame measures 57 cm by 39 cm. What is the perimeter or distance around the picture frame in meters?
2 answers:
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Answer:
The least number of stamps required is
Step-by-step explanation:
Let the number of cent stamps be
and
cent stamps be
We have
The minimum number is obtained when more cent stamps are used
Here cannot be greater than
since
Substitute
Not possible since is not a fraction
Substitute
Not possible since is not a fraction
Substitute
Possible
Hence minimum number of stamps is